"When a spouse places his or her emotional needs in the hands of someone outside the marriage, it breaks the bond of marriage just as adultery does." Gary Newman. Most often, people don't start out intending to be emotionally unfaithful to their spouses. It is just a normal friendship that gradually becomes deeper.
...How to bring back a spouse to be normal as like before when he has changed all of sudden and some mysterious activities
But how should a spouse who is already involved in emotional infidelity be counselled by his/her spouse to come back.